Home / 209,997.14-314,645.06-147,555.86

Finding the Fourth Proportional to 209,997.14, 314,645.06 and 147,555.86

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Solution

The fourth proportional to 209,997.14, 314,645.06 and 147,555.86 is: 221,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,997.14 : 314,645.06 = 147,555.86 : x
  2. Step 2: Convert to fraction form
    209,997.14/314,645.06 = 147,555.86/x
  3. Step 3: Cross multiply
    209,997.14x = 314,645.06 × 147,555.86
  4. Step 4: Simplify right side
    209,997.14x = 46,427,722,423.05
  5. Step 5: Solve for x
    x = 46,427,722,423.05/209,997.14
  6. Step 6: Final answer
    x = 221,087.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.